96 lines
3.4 KiB
C++
96 lines
3.4 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "CanvasClient.h"
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#include "gfx2DGlue.h" // for ImageFormatToSurfaceFormat
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#include "gfxPlatform.h" // for gfxPlatform
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#include "mozilla/gfx/BaseSize.h" // for BaseSize
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#include "mozilla/gfx/gfxVars.h"
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#include "mozilla/layers/BufferTexture.h"
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#include "mozilla/layers/CompositableForwarder.h"
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#include "mozilla/layers/CompositorBridgeChild.h" // for CompositorBridgeChild
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#include "mozilla/layers/LayersTypes.h"
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#include "mozilla/layers/OOPCanvasRenderer.h"
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#include "mozilla/layers/TextureClient.h" // for TextureClient, etc
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#include "mozilla/layers/TextureClientOGL.h"
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#include "mozilla/layers/TextureClientRecycleAllocator.h"
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#include "nsDebug.h" // for printf_stderr, NS_ASSERTION
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#include "nsXULAppAPI.h" // for XRE_GetProcessType, etc
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using namespace mozilla::gfx;
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using namespace mozilla::gl;
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namespace mozilla {
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namespace layers {
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void CanvasClient::UseTexture(TextureClient* const aTexture) {
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MOZ_ASSERT(aTexture);
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const auto isClientNonPremult =
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bool(mTextureFlags & TextureFlags::NON_PREMULTIPLIED);
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const auto isTextureNonPremult =
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bool(aTexture->GetFlags() & TextureFlags::NON_PREMULTIPLIED);
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MOZ_ALWAYS_TRUE(isTextureNonPremult == isClientNonPremult);
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bool changed = false;
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if (aTexture != mFrontBuffer) {
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if (!aTexture->IsSharedWithCompositor()) {
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if (!AddTextureClient(aTexture)) {
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return;
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}
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}
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changed = true;
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mFrontBuffer = aTexture;
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}
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AutoTArray<CompositableForwarder::TimedTextureClient, 1> textures;
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CompositableForwarder::TimedTextureClient* t = textures.AppendElement();
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t->mTextureClient = aTexture;
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t->mPictureRect = nsIntRect(nsIntPoint(0, 0), aTexture->GetSize());
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t->mFrameID = mFrameID;
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GetForwarder()->UseTextures(this, textures);
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if (changed) {
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aTexture->SyncWithObject(GetForwarder()->GetSyncObject());
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}
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}
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static constexpr bool kIsWindows =
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#ifdef XP_WIN
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true;
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#else
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false;
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#endif
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RefPtr<TextureClient> CanvasClient::CreateTextureClientForCanvas(
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const gfx::SurfaceFormat aFormat, const gfx::IntSize aSize,
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const TextureFlags aFlags) {
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if (kIsWindows) {
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// With WebRender, host side uses data of TextureClient longer.
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// Then back buffer reuse in CanvasClient2D::Update() does not work. It
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// causes a lot of TextureClient allocations. For reducing the allocations,
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// TextureClientRecycler is used.
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if (GetForwarder() && GetForwarder()->GetCompositorBackendType() ==
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LayersBackend::LAYERS_WR) {
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return GetTextureClientRecycler()->CreateOrRecycle(
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aFormat, aSize, BackendSelector::Canvas, mTextureFlags | aFlags);
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}
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return CreateTextureClientForDrawing(
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aFormat, aSize, BackendSelector::Canvas, mTextureFlags | aFlags);
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}
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// XXX - We should use CreateTextureClientForDrawing, but we first need
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// to use double buffering.
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gfx::BackendType backend =
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gfxPlatform::GetPlatform()->GetPreferredCanvasBackend();
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return TextureClient::CreateForRawBufferAccess(
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GetForwarder(), aFormat, aSize, backend, mTextureFlags | aFlags);
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}
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} // namespace layers
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} // namespace mozilla
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